Home / 2,912.39-4,347.44-2,695.56

Finding the Fourth Proportional to 2,912.39, 4,347.44 and 2,695.56

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Solution

The fourth proportional to 2,912.39, 4,347.44 and 2,695.56 is: 4,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.39 : 4,347.44 = 2,695.56 : x
  2. Step 2: Convert to fraction form
    2,912.39/4,347.44 = 2,695.56/x
  3. Step 3: Cross multiply
    2,912.39x = 4,347.44 × 2,695.56
  4. Step 4: Simplify right side
    2,912.39x = 11,718,785.37
  5. Step 5: Solve for x
    x = 11,718,785.37/2,912.39
  6. Step 6: Final answer
    x = 4,023.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.